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Lithium Tantalate Wafers

Product Description: 

Lithium Tantalate is one of the most versatile materials. LiTaO3 has numerous applications including electro-optical modulators, pyroelectric detectors, optical waveguide and SAW substrates and piezoelectric transducers due to unique electro-optical, pyroelectric, piezoelectric and acoustic properties, a wide transparency range, and a high optical damage threshold combined with good chemical and mechanical stability.

 

Figure 1: Lithium Tantalate Wafers

 

 

Specification: 

Orientation X-Axis, Y-Axis, Z-Axis, Y-Axis 36° Rotated, Y-Axis 42° Rotated
Orientation Tolerance ±0.2°
Diameter 2 inches,    3 inches,     5 inches
Thickness 500±15µm,   1000±20µm
Primary Flat Length 16.0±0.8mm,  22.0±1.0mm,  32.5±1.5mm
Primary Flat Orientation Normal to Z-axis to X-axis
Primary Flat Orientation Tolerance ±0.2°
TTV ≤30µm
BOW ≤30µm
Front Surface 10/5
Back Surface Fine ground or polished (10/5)
Chamfer < 0.3mm, 45± 5°

 

Applications: 

  • Electro-optical modulators   
  • Wavefront distortion 
  • Integrated Optical devices
  • Acoustic Transducers
  • Acousto-optical filters

3mm Z-Cut SAW grade Lithium Tantalate wafers in stock, thickness: 0.1mm, both side polished, PWLT-3F7462 ($18.0): 

 
 

 
No Primary flat. Both sides polished. Contact us for quantity pricing.

 

2 Inch X-Cut Optical grade Lithium Tantalate wafers in stock, thickness: 0.5mm, both side polished, POLT-111112 ($112.0): 

 
 

 
Optical grade X-Cut Lithium Tantalate wafers in stock. Primary flat is perpendicular to the Z axis. Both sides polished. Contact us for quantity pricing.

 

2 Inch Z-Cut Optical grade Lithium Tantalate wafers in stock, thickness: 0.5mm, both side polished, POLT-311312 ($112.0): 

 
 

 
Optical grade X-Cut Lithium Tantalate wafers in stock. Primary flat is perpendicular to the Y axis. Both sides polished. Contact us for quantity pricing.

 

3 Inch 36° Y-Cut SAW grade Lithium Tantalate wafers in stock, thickness: 0.5mm, both side polished, PWLT-421222 ($125.0): 

 
 

 
SAW grade 36° Y-Cut Lithium Tantalate wafers in stock. Primary flat is perpendicular to the X axis. Both sides polished. Contact us for quantity pricing.

 

3 Inch 42° Y-Cut SAW grade Lithium Tantalate wafers in stock, thickness: 0.4mm, single side polished, PWLT-529221 ($82.0): 

 
 

 
SAW grade 42° Y-Cut Lithium Tantalate wafers in stock. Primary flat is perpendicular to the X axis. Single sides polished. Contact us for quantity pricing.

 

3 Inch 42° Y-Cut SAW grade Lithium Tantalate wafers in stock, thickness: 0.4mm, double side polished, PWLT-529222 ($125.0): 

 
 

 
SAW grade 42° Y-Cut Lithium Tantalate wafers in stock. Primary flat is perpendicular to the X axis. Both sides polished. Contact us for quantity pricing.

 

3 Inch Z-Cut SAW grade Lithium Tantalate wafers in stock, thickness: 1.0mm, single side polished, PWLT-322321 ($182.0): 

 
 

 
SAW grade Z-Cut Lithium Tantalate wafers in stock. Primary flat is perpendicular to the Y axis. Single sides polished. Contact us for quantity pricing.

 

4 Inch 36° Y-Cut SAW grade Lithium Tantalate wafers in stock, thickness: 0.5mm, double side polished, PWLT-PWLT-431232 ($168.0): 

 
 

 
SAW grade 36° Y-Cut Lithium Tantalate wafers in stock. Primary flat is perpendicular to the X axis. Both sides polished. Contact us for quantity pricing.

 

3 Inch Z-Cut Optical grade Lithium Tantalate wafers in stock, thickness: 0.5mm, both side polished, POLT-321322 ($186.0):

 
 

 
Contact us for quantity pricing.

 

3 Inch X-Cut Optical grade Lithium Tantalate wafers in stock, thickness: 0.5mm, both side polished, POLT-121122 ($186.0):

 
 

 
Contact us for quantity pricing.

 

3 Inch X-Cut Optical grade Lithium Tantalate wafers in stock, thickness: 2.0mm, both side polished, PWLT-12M122 ($368.0):

 
 

 
Contact us for quantity pricing.

 

4 Inch Z-Cut Optical grade Lithium Tantalate wafers in stock, thickness: 0.5mm, both side polished, POLT-331332 ($316.0): 

 
 

 
Contact us for quantity pricing.

 

4 Inch X-Cut Optical grade Lithium Tantalate wafers in stock, thickness: 0.5mm, both side polished, POLT-131032 ($316.0): 

 
 

 
Contact us for quantity pricing.

 

10X10mm Z-Cut Optical grade Lithium Tantalate wafers in stock, thickness: 1.0mm, both side polished, POLT-3R2512 ($50.0): 

 
 

 
Optical grade Z-Cut Lithium Tantalate wafers in stock. Both sides polished. Contact us for quantity pricing.

 

12X15mm Z-Cut SAW grade Lithium Tantalate wafers in stock, thickness: 0.1mm, ground surfaces for both sides, PWLT-3R7533 ($78.0): 

 
 

 
Y axis is 15mm, X axis is 12mmm. Contact us for quantity pricing.

 

12X6mm Y-Cut SAW grade Lithium Tantalate wafers in stock, thickness: 0.57mm, both side polished, PWLT-2R0542 ($50.0): 

 
 

 
Z axis is 12mm, X axis is 6mmm. Contact us for quantity pricing.

 

Ordering Information:

    P   W / O*    L
  T

 
  X 
 
  X 
 
   
           

A

 

B

 

C

 

D

 

E

 

F

 

*: W for SAW Grade and O for Optical Grade

     

A

 Orientation

1 = X-Axis  
 2 = Y-Axis  
 3 = Z-Axis  
 4 = Y-Axis 36° Rotated  
 5 = Y-Axis 42° Rotated  
 0 = Customized Thickness  
 

B

 Diameter

 1 = 2 inches  
   2 = 3 inches  
   3 = 4 inches  
   0 = Customized Diameter  
 

C

 Thickness

 1 = 500µm  
   2 = 1000µm  
   0 = Customized Thickness  
 

D

Primary Flat Orientation  1 = Normal to Z-axis
 
   2 = Normal to X-axis
 
   3 = Normal to Y-axis
 
   0 = Customized Flat Orientation  
 

E

 Primary Flat Length

 1 = 16mm  
   2 = 22mm  
   3 = 32.5mm  
   0 = Customized Flat Length  
 

F

 Polishing

 1 = Single Side Polished
 
   2 = Double Side Polished  

 

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